VOIGTLÄNDER NOKTON 50mm f/1.0 — Optical Cross-Section & Ray Tracing

Home / Lenses / Voigtländer / VOIGTLÄNDER NOKTON 50mm f/1.0VOIGTLÄNDER NOKTON 50mm f/1.0JP 2023-063766 A↗ — Kazuhiro Ogino
9 ELEMENTS / 7 GROUPS
f = 49.998 mm
F/1.0
2ω = 47.9°
3 ASPHERICAL SURFACES
Focus MechanismMirrorless production variants focus to 0.45 m and advertise a floating mechanism; JP2023063766A discloses only the infinity prescription, so close focus is approximated with the image-side air gap.
Optical Elements (9 physical)ElementTypeGlass
L1Pos. Meniscus (1× Asph)S-LAH93 (OHARA, patent nd/vd match)
L2Positive MeniscusTAFD37A (HOYA, patent nd/vd match)
L3Negative MeniscusSF6 / S-TIH6 (OHARA)
L4fBiconcave NegativeS-TIH14 (OHARA, patent nd/vd match) / SF14-family dense flint
L4rBiconvex PositiveS-LAH58 (OHARA)
L5Biconvex PositiveS-LAH58 (OHARA)
L6fBiconvex PositiveS-LAH58 (OHARA)
L6rBiconcave NegativeJ-KZFH4 (HIKARI catalog-equivalent to patent 553551; production supplier unspecified)
L7Neg. Meniscus (2× Asph)L-LAH84 (OHARA catalog-equivalent; patent supplier unspecified)

Element	Type	Glass
L1	Pos. Meniscus (1× Asph)	S-LAH93 (OHARA, patent nd/vd match)
L2	Positive Meniscus	TAFD37A (HOYA, patent nd/vd match)
L3	Negative Meniscus	SF6 / S-TIH6 (OHARA)
L4f	Biconcave Negative	S-TIH14 (OHARA, patent nd/vd match) / SF14-family dense flint
L4r	Biconvex Positive	S-LAH58 (OHARA)
L5	Biconvex Positive	S-LAH58 (OHARA)
L6f	Biconvex Positive	S-LAH58 (OHARA)
L6r	Biconcave Negative	J-KZFH4 (HIKARI catalog-equivalent to patent 553551; production supplier unspecified)
L7	Neg. Meniscus (2× Asph)	L-LAH84 (OHARA catalog-equivalent; patent supplier unspecified)